Hooke Folio
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351

Iuly the 10 1679

mr. Henshaw the vice prest. tooke the chair.
mr. Lambs Proposalls about two coelestiall Hemispheres were
shewn, but when it was vnderstood that they were not altered
Rectifyed by the Latest obseruations of mr Heuelius they were neg
=lected as imperfect. Iohannus Valentines Scheid Argutoratensis was here & Desired
/to Receiue the comands of the society being suddenly returning home./
The minutes of the 3d of Iuly were Read. & mr Hooke was Desired to
examine Piso about the coco nut. Sr. Ionas more said that
the indians vsed to bore a hole in the palm tree & to rowle
vp a Leaf of the tree & stick it into the hole for a spout.
for it to Run by into a cup made of the shell of its own nutt
the vse to tap them in the morning before the sun Rising -
mr. Henshaw said that the palm that yealdeth wine is only in the
east Indies where they drink noe other. He also mentiond the
way they vsed to clime vp the palm tree by the help of a
couple of short ropes the one tyed to their feet the other about
their armes, by the successiue of slyding vp of wch. they will Clim
to the top of the smoothest & streightest tree
Sr. Io: Hoskins noted that there was one palm /in Guinny/ the fruit whereof
yealded good store of oyle vsed in those ountrys insteed of Butter
though not soe pleasant to the Europeans.
It was further noted that the . . . wine of the palm will with keep
ing turne to very good vinagre, & being boyled presently it yealds
a good suger. and being fermented it makes a very good wine
mr. Pappin now produced a peice of the tortoysshell (which he shewd the
Last meeting soft like wet tanned Leather) now reduced againe to its
former hardnesse & transparency & retaining the posture it had been
put into when soft. this was supposed might be very vsefull for ma
ny mechanicall works. and ^ /if/ the same effect also vpon horn if it could be
done, /it/ was beleiued would be very acceptable to Diuers mechanicks.
vpon this seuerall Discourses were occasiond about tanned Leather and it
was concluded /mr Hooke vrged/ that the tanning of Leather consisted only in the clean fetch
ing out of the Glutinouse part of the skin & the Leauing the fibrous part
which was the reason why skins not well tanned being wett & dryed againe -
they become stiff & hard where the remaining gummouse parts glewing
the fibers together. whereas tanned Leather being wett and againe Dryd
become Limber & supple as cloth it hauing noe gummous part Left .
herevpon Diuers Discourses were occasioned about the seuerall ways of tan
ning of Leather. Sr. Iohn Hoskins mentiond the way that the Indians
in virginia & the northern parts of America vse to Dresse their skins